<template>
	<el-form ref="formRef" :model="state.ruleForm" size="large" class="login-content-form" :rules="loginRules">
		<el-form-item class="login-animation1" prop="username">
			<el-input text placeholder="请输入账号" v-model="state.ruleForm.username" clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2" prop="password">
			<el-input :type="state.isShowPassword ? 'text' : 'password'" placeholder="请输入密码" v-model="state.ruleForm.password" autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>

		<el-form-item class="login-animation2" prop="captcha">
			<el-input placeholder="请输入验证码" v-model="state.ruleForm.captcha" class="code_input"> </el-input>
			<div class="code-image">
				<el-image :src="codeImage" class="captcha"></el-image>
				<div class="code-fresh font20" @click="getCaptchaFun">
					<el-icon><Refresh color="#409eff" /></el-icon>
				</div>
			</div>
		</el-form-item>

		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round v-waves @click="onSignIn" :loading="state.loading">
				<span>登录</span>
			</el-button>
		</el-form-item>
		<changePwd title="首次登录，请修改密码" :visible="changePwdVisible" @handleClose="closeChangePwd" />
	</el-form>
</template>

<script setup lang="ts" name="loginAccount">
import { ref, reactive, computed, onBeforeMount } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { Md5 } from 'ts-md5';
import { initFrontEndControlRoutes } from '/@/router/frontEnd';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';
import { login, getCaptcha } from '/@/api/login';
import { Refresh } from '@element-plus/icons-vue';
import changePwd from '../../../layout/navBars/topBar/dialog/changePwd.vue';
// 定义变量内容
const route = useRoute();
const router = useRouter();
const state = reactive({
	isShowPassword: false,
	ruleForm: {
		username: '',
		password: '',
		captcha: '',
	},
	loading: false,
});

const changePwdVisible = ref<Boolean>(false);
const isNoPower = ref<any>();

const codeImage = ref<any>();

const formRef = ref();
let randomCode = '';

const loginRules = reactive({
	username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
	password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
	captcha: [{ required: true, message: '请输入验证码', trigger: 'blur' }],
});

// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});
// 登录
const onSignIn = async () => {
	formRef.value.validate(async (valid: boolean) => {
		if (!valid) return;
		// 登录相关
		// // 存储 token 到浏览器缓存
		// Session.set('token', '1111');
		// Session.set('userData', { name: '111' });
		// // 前端控制路由，2、请注意执行顺序
		// const isNoPower = await initFrontEndControlRoutes({});
		// signInSuccess(isNoPower);
		state.loading = true;
		try {
			const password = Md5.hashStr(state.ruleForm.password);
			let { code, data } = await login({ ...state.ruleForm, randomCode, password });
			if (code == 200) {
				state.loading = false;
				// 存储 token 到浏览器缓存
				Session.set('token', data.access_token);
				Session.set('userData', data.user);
				const _isNoPower = await initFrontEndControlRoutes();
				if (data.user.isFirstLogin) {
					changePwdVisible.value = true;
					isNoPower.value = _isNoPower;
					return;
				}
				// 前端控制路由，2、请注意执行顺序
				signInSuccess(_isNoPower);
			}
		} finally {
			state.loading = false;
			getCaptchaFun();
		}
	});
};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
	if (isNoPower) {
		ElMessage.warning('抱歉，您没有登录权限');
		Session.clear();
	} else {
		// 初始化登录成功时间问候语
		let currentTimeInfo = currentTime.value;
		// 登录成功，跳到转首页
		// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
		if (route.query?.redirect) {
			router.push({
				path: <string>route.query?.redirect,
				query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
			});
		} else {
			router.push('/');
		}
		// 登录成功提示
		const signInText = '登录成功';
		ElMessage.success(`${currentTimeInfo}，${signInText}`);
		// 添加 loading，防止第一次进入界面时出现短暂空白
		NextLoading.start();
	}
	state.loading = false;
};

const closeChangePwd = async (success?: boolean) => {
	changePwdVisible.value = false;
	if (success) {
		signInSuccess(isNoPower.value);
	}
};

const getCaptchaFun = async () => {
	randomCode = Math.random().toString();
	codeImage.value = import.meta.env.VITE_API_URL + '/captcha?randomCode=' + randomCode;
};

onBeforeMount(async () => {
	getCaptchaFun();
});
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;

	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}

	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;

		&:hover {
			color: #909399;
		}
	}

	.login-content-code {
		width: 100px;
		height: 35px;
		font-weight: bold;
		margin-top: 15px;
		letter-spacing: 5px;
	}

	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}

.code_input {
	width: 150px;
}

.code-image {
	width: 80px;
	height: 38px;
	margin-left: 10px;
	position: relative;
	display: inline-block;
	cursor: pointer;
	&:hover {
		.code-fresh {
			display: flex;
			justify-content: center;
			align-items: center;
		}
	}
	.captcha {
		width: 100%;
		height: 100%;
		object-fit: contain;
	}
	.code-fresh {
		width: 100%;
		height: 100%;
		position: absolute;
		display: none;
		top: 0;
		left: 0;
		background-color: rgba(#fff, 0.5);
	}
}
</style>
